CN201352070Y

CN201352070Y - Electrolyte heating device

Info

Publication number: CN201352070Y
Application number: CNU2009200499512U
Authority: CN
Inventors: ***; 战国忠; 潘强; 董大旺
Original assignee: ASIA NET PE SYSTEMS (ZHUHAI) Ltd
Current assignee: ASIA NET PE SYSTEMS (ZHUHAI) Ltd
Priority date: 2009-01-09
Filing date: 2009-01-09
Publication date: 2009-11-25
Anticipated expiration: 2019-01-09

Abstract

The utility model provides an electrolyte heating device which is convenient for detecting the temperature of an electrolyte, leads simple structure and convenient testing, can effectively protect a furnace hearth and a furnace cover, and can prolong the service life. The electrolyte heating device comprises a furnace body 1 and the furnace cover 2 which seals the furnace body. A furnace shell 10 is arranged at the periphery of the furnace body, the furnace hearth 11 is arranged in the center of the furnace body, asbestos materials 12 used for heat preservation are filled between the furnace shell 10 and the furnace hearth 11, a heating core body 13 is arranged at the middle part of an inner cavity at the outer wall of the furnace hearth 11, a replaceable heat-resisting protection pipe 14 which is matched with the inner wall of the heating core body 13 and the upper part of the inner cavity at the outer wall of the furnace hearth 11 is arranged at the inner cavity of the furnace hearth 11, a thermocouple temperature-measuring part 15 which is matched with the inner cavity at the outer wall of the furnace hearth 11 and the heat-resisting protection pipe 14 in a sealing manner is arranged at the lower part of the heating core body 13, and the inner wall of the heat-resisting protection pipe 14 and the outer wall at the lower end of the furnace cover 2 are in clearance fit. A temperature sensor which is led in by the furnace cover 2 measures the primary crystallizing temperature of the electrolyte in the furnace hearth 11 in the crystallizing process.

Description

A kind of electrolyte heater

[technical field]

The utility model relates to a kind of heater, relates in particular to a kind of electrolyte heater.

[background technology]

At present, aluminium reduction process is adopted in the production of metal primary aluminum usually, in process of production, the electrolyte liquidus temperature, or title electrolyte primary crystal temperature, it is an important parameter in the aluminium electroloysis system, it directly influences the operating temperature of aluminum electrolysis process flow process, accurately measure liquidus temperature, the control electrolysis temperature, it is the energy-saving and cost-reducing primary and foremost purpose of aluminum electrolysis industry that the adjusting degree of superheat reaches optimum state, the heater of traditional measurement liquidus temperature, complex structure, heat insulation effect is poor, lack safeguard procedures in the burner hearth, in the process of test, the progressively first crystallization of the electrolyte of crucible gives out a large amount of corrosive gas in the burner hearth cavity, directly contact with inboard wall of burner hearth, the heating element heater of corrosion in the burner hearth reduces burner hearth service life, in addition greatly, with the supporting bell of burner hearth, in order to measure electrolyte primary crystal temperature needs in the crucible, be provided with entrance hole, ingress pipe is housed in the entrance hole, the lower end of ingress pipe is connected with the adapter assembly that the supplemental support crucible is installed, because ingress pipe adopts metal material to make, and in test process, very easily is corroded, stop up the ingress pipe pipeline, cause and to measure electrolyte primary crystal temperature in the crucible, reduce service life of equipment greatly, increase maintenance cost, and whole apparatus structure complexity, inconvenient installation and maintenance.

[utility model content]

The utility model has overcome the deficiency of existing test furnace, and a kind of electrolyte primary crystal temperature of being convenient to detect in the production process is provided, and is simple in structure, and convenient test maintains easily, and improves the electrolyte heater in service life.

In order to solve the technical problem of above-mentioned existence, the utility model adopts following technical proposals:

A kind of electrolyte heater; the bell that comprises body of heater and sealing body of heater; periphery at body of heater is provided with furnace shell; center at body of heater is provided with burner hearth; be filled with the asbestos material that is used to be incubated between furnace shell and the burner hearth; the outer wall inner chamber mid portion of described burner hearth is provided with the heating core body; inner chamber at burner hearth is provided with the removable heat-resisting protective pipe that cooperates with the top of heating core body inwall and hearth outer wall inner chamber; the bottom of described heating core body is provided with the thermocouple temperature measurement portion that cooperates with hearth outer wall inner chamber and heat-resisting protective pipe, described heat-resisting protective inside pipe wall and bell matched in clearance.

Aforesaid a kind of electrolyte heater is characterized in that: described bell center is provided with the sensor entrance hole, and the bottom of bell is provided with and carries the adapter assembly that electrolyte container is connected.

Aforesaid a kind of electrolyte heater is characterized in that: described heat-resisting protective pipe adopts high alumina or heavy mullite or heat resisting ceramic materials to make.

Aforesaid a kind of electrolyte heater is characterized in that: described heater adopts the heating wire calandria.

Aforesaid a kind of electrolyte heater is characterized in that: described adapter assembly and bell adopt one-body molded.

Aforesaid a kind of electrolyte heater is characterized in that: the thorax mouth top of described burner hearth is provided with protector.

Aforesaid a kind of electrolyte heater is characterized in that: described protector is to be arranged on the pair of parallel slide rail at furnace shell top and the protective cover that slides along slide rail, is provided with the traction piece that the traction protective cover moves along slide rail in a side of protective cover.

Aforesaid a kind of electrolyte heater, it is characterized in that: described burner hearth is made with heavy mullite, high alumina or heat resisting ceramic materials.

The utility model compared with prior art has following advantage:

Bell of the present utility model and its adapter assembly adopt the high alumina of corrosion resistance heat proof material; heavy mullite or heat resisting ceramic materials are one-body molded; play the suspension crucible; heat insulation function; can not produce again bell sensor entrance hole is stopped up; make things convenient for the installation and maintenance of bell simultaneously; inner chamber at burner hearth is provided with the removable heat-resisting protective pipe that cooperates with the top of heating core body inwall and hearth outer wall inner chamber; the heat-resisting protective pipe adopts high alumina; heavy mullite or other heat resisting ceramic materials are made; can effectively avoid the corrosion of the gas that produces in the electrolyte heating process to the burner hearth heating element heater; simultaneously can change use, prolong the service life of whole device greatly.

[description of drawings]

Fig. 1 is a schematic construction cutaway view of the present utility model;

Fig. 2 is the part-structure cutaway view of an embodiment of the present utility model;

Fig. 3 is a stereogram of the present utility model.

[specific embodiment]

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:

A kind of electrolyte heater; as shown in Figure 1; the bell 2 that comprises body of heater 1 and sealing body of heater; be provided with furnace shell 10 in the periphery of body of heater; be provided with burner hearth 11 at the center of body of heater; be filled with the asbestos material 12 that is used to be incubated between furnace shell 10 and the burner hearth 11; the outer wall inner chamber mid portion of described burner hearth 11 is provided with heating core body 13; inner chamber at burner hearth 11 is provided with the removable heat-resisting protective pipe 14 that cooperates with the top of heating core body 13 inwalls and burner hearth 11 outer wall inner chambers; the bottom of described heating core body 13 is provided with the thermocouple temperature measurement portion 15 that is sealed and matched with burner hearth 11 outer wall inner chambers and heat-resisting protective pipe 14; described heat-resisting protective pipe 14 inwalls and bell 2 lower end outer wall matched in clearance; by above device; the electrolyte of putting in heating furnace 11 furnace chambers; and by the temperature in the thermocouple temperature measurement portion 15 control heating processes; in the electrolyte crystallization process, by the electrolytical liquidus temperature of temperature sensor measurement of bell 2 importings.

Described bell 2 centers are provided with sensor entrance hole 20, the bottom of bell 2 is provided with and carries the adapter assembly 21 that electrolyte container is connected, adapter assembly 21 adopts the heavy mullite one-body molded with bell 2, make things convenient for the processing and the installation of bell, remove the parts that are connected with electrolyte container that to establish in addition in the past, neither can produce bell sensor entrance hole is stopped up, make things convenient for the installation and maintenance of bell 2 again owing to corrosion.

Above burner hearth 11 thorax mouths, also be provided with protector 22, as shown in Figures 2 and 3, described protector 22 is pair of parallel slide rail 220 that is arranged on furnace shell 10 tops and the protective cover 221 that slides along slide rail, protective cover 221 can effective seal burner hearth 11 the thorax mouth, in the process of burner hearth heating, prevent that scattering and disappearing of heat from entering burner hearth 11 with foreign matter and polluting electrolyte, when needs are measured, the traction piece 222 that protective cover is moved along slide rail 220 that traction protective cover 221 1 sides are provided with, the thorax mouth of burner hearth 11 gets final product, when not needing to measure, the thorax mouth move protective cover 221 closed furnaces 11 by traction piece 222 prevents that foreign matter from entering burner hearth.

Described heat-resisting protective pipe 14 adopts high alumina or heavy mullite and other heat resisting ceramic materials to make; can effectively avoid the corrosion of the gas that produces in the electrolyte heating process to heating element heater in the burner hearth; simultaneously can change use again, guarantee the service life of whole device.

Described heater 13 adopts the heating wire calandria, and electrothermal calefactive rate is fast, and efficiency of heating surface height can improve testing efficiency fast.

More than electrolyte heater provided by the utility model is described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims

1; a kind of electrolyte heater; the bell (2) that comprises body of heater (1) and sealing body of heater; be provided with furnace shell (10) in the periphery of body of heater (1); be provided with burner hearth (11) at the center of body of heater; be filled with the asbestos material (12) that is used to be incubated between furnace shell (10) and the burner hearth (11); it is characterized in that; the outer wall inner chamber mid portion of described burner hearth (11) is provided with heating core body (13); inner chamber at burner hearth (11) is provided with the removable heat-resisting protective pipe (14) that cooperates with the top of heating core body (13) inwall and hearth outer wall inner chamber; the bottom of described heating core body (13) is provided with the thermocouple temperature measurement portion (15) that cooperates with burner hearth (11) outer wall inner chamber and heat-resisting protective pipe (14), described heat-resisting protective pipe (14) inwall and bell (2) matched in clearance.

2, a kind of electrolyte heater according to claim 1 is characterized in that: described bell (2) center is provided with sensor entrance hole (20), and the bottom of bell (2) is provided with and carries the adapter assembly (21) that electrolyte container is connected.

3, a kind of electrolyte heater according to claim 1 is characterized in that: described heat-resisting protective pipe (14) adopts high alumina or heavy mullite or heat resisting ceramic materials to make.

4, a kind of electrolyte heater according to claim 1 is characterized in that: described heater (13) adopts the heating wire calandria.

5, a kind of electrolyte heater according to claim 2 is characterized in that: described adapter assembly (21) adopts one-body molded with bell (2).

6, a kind of according to claim 1 or 5 electrolyte heater is characterized in that: the thorax mouth top of described burner hearth (11) is provided with protector (22).

7, a kind of electrolyte heater according to claim 6, it is characterized in that: described protector (22) is pair of parallel slide rail (220) that is arranged on furnace shell (10) top and the protective cover (221) that slides along slide rail, is provided with the traction piece (222) that traction protective cover (221) moves along slide rail (220) in a side of protective cover (221).

8, a kind of electrolyte heater according to claim 1, it is characterized in that: described burner hearth (11) is made with heavy mullite, high alumina or heat resisting ceramic materials.